Financial Instruments (Details 2) $ in Thousands	Jun. 27, 2020 USD ($)
Amortized Cost
Due in one year or less	$ 2,177,452
Due after one year through five years	3,714
Due after five years through ten years	17,149
Due after ten years	131,567
Amortized Cost Total	2,329,882
Estimated Fair Value
Due in one year or less	2,177,394
Due after one year through five years	3,755
Due after five years through ten years	17,834
Due after ten years	132,617
Estimated Fair Value Total	2,331,600
Marketable debt securities with contractual maturities greater than one year but classified as short-term investment	$ 154,200